
import java.io.*;
import java.util.*;

/**
 *
 */
public class Penguin extends Bird {

    /**
     * Default constructor
     */
    public Penguin() {
    }

    /**
     *
     */


    /**
     *
     */
    public void display() {
        fly(new UnableFly());
        swim(new AbleSwim());
        System.out.print("企鹅");
        theFlyBehavior.fly();
        theSwimBehavior.swim();
        // TODO implement here
    }

}
